Mainlander Property Management, Inc., has been bringing people together for more than 30 years. Located just off I-5 in Lake Oswego, Mainlander specializes in property management services and real estate investment opportunities in Portland metro area. Our portfolio includes approximately 1,400 rental units and we pride ourselves on being the most knowledgeable, courteous, and customer service-oriented property management company in the region. We invite you to become a part of our community. Whether you’re a property owner or a prospective tenant, Mainlander would appreciate the opportunity to speak with you.